. >> reporter: new polls from three battleground states show romney now has a one-points edge in colorado. in wisconsin the race is tightening. the president's 6-point lead before his first debate with romney is now down to three points while in virginia, the president has a five-point lead. romney and the president debate for the second time next week in new york. >> and despite the poll numbers that are showing that mitt romney's gaining support this morning on "cbs this morning," advisor david axelrod insists there is no slide in support for president obama that in fact there is no momentum for mitt romney... we'll see what happens after tonight. randall pinkston, cbs 5. >> we will have to see whacks tonight but what strategies can we expect from both ryan and biden? >> reporter: well, of course, ryan will be focusing on the economic numbers. he knows the numbers and he will be talking about the failures in the obama administration, failures to create jobs, failures to fix the -- what's wrong with the economy while violent biden will be mounting a defense just as he did at the democrat